Home / 74,248,260,983.61-111,380,361,584.12-31,757,571,174.21

Finding the Fourth Proportional to 74,248,260,983.61, 111,380,361,584.12 and 31,757,571,174.21

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Solution

The fourth proportional to 74,248,260,983.61, 111,380,361,584.12 and 31,757,571,174.21 is: 47,639,765,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248,260,983.61 : 111,380,361,584.12 = 31,757,571,174.21 : x
  2. Step 2: Convert to fraction form
    74,248,260,983.61/111,380,361,584.12 = 31,757,571,174.21/x
  3. Step 3: Cross multiply
    74,248,260,983.61x = 111,380,361,584.12 × 31,757,571,174.21
  4. Step 4: Simplify right side
    74,248,260,983.61x = 3,537,169,760,416,935,968,768
  5. Step 5: Solve for x
    x = 3,537,169,760,416,935,968,768/74,248,260,983.61
  6. Step 6: Final answer
    x = 47,639,765,747.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.